Datasheet

Electrical Specifications
MC68HC908AZ60A • MC68HC908AS60A • MC68HC908AS60E Data Sheet, Rev. 6
Freescale Semiconductor 371
Figure 28-2. SPI Slave Timing Diagram
NOTE: Not defined but normally MSB of character just received
SLAVE
SS
(INPUT)
SCK (CPOL = 0)
(INPUT)
SCK (CPOL = 1)
(INPUT)
MISO
(INPUT)
MOSI
(OUTPUT)
4
5
5
1
4
MSB IN
BITS 6–1
8
6 10
11
11
NOTE
SLAVE LSB OUT
9
3
LSB IN
2
7
BITS 6–1
MSB OUT
NOTE: Not defined but normally LSB of character previously transmitted
SLAVE
SS
(INPUT)
SCK (CPOL = 0)
(INPUT)
SCK (CPOL = 1)
(INPUT)
MISO
(OUTPUT)
MOSI
(INPUT)
4
5
5
1
4
MSB IN
BITS 6–1
8
6 10
NOTE
SLAVE LSB OUT
9
3
LSB IN
2
7
BITS 6–1
MSB OUT
10
a) SPI Slave Timing (CPHA = 0)
b) SPI Slave Timing (CPHA = 1)
11
11